| 摘要 |
PROBLEM TO BE SOLVED: To enable, in optical wireless communication, stable data communication without requiring an instruction to change speed of information transmission from the reception side to the transmission side even in the case that a communication state has changed.SOLUTION: There is provided, on the transmission side, a transmitter 100 including: display means capable of displaying information by an optical pattern corresponding to a two-dimensional code; means for converting transmission information to two-dimensional encoded data to be displayed by using the optical pattern; means for converting the transmission information to time series data; means for superposing the time series data on the two-dimensional encoded data so that intensity modulation based on the time series data is performed on the optical pattern; and means for driving the display means on the basis of the superposed data. There is provided, on the reception side, a receiver 200 including: a camera 210 for imaging the display means; means for reading an optical pattern from video imaged by the camera to restore transmission information; and means for restoring the transmission information from an intensity modulation state of the optical pattern.SELECTED DRAWING: Figure 1 |
